The only real solution is to build social infrastructure that helps people identify the trustworthiness of a source. Some efforts are being made in both the centralized and decentralized directions.
"Are the author's conclusions supported by the facts they present?" "Is their assertion internally consistent?" "What do you think the author is trying to make you feel and do by consuming this content?" "Is this a primary or secondary source?" "Can this be independently verified?" "Is the source credible?"
It would be an endless source of memes to try and make the most obviously fake image have the "verified real" badge.